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Tumblr finally releases information about state-sponsored propaganda

Users attempted to access Tumblr accounts. Photo: Aditya Irawan/NurPhoto via Getty Images

Tumblr has finally broken its silence about Russian state actors using its service and released a list of 84 usernames it believes engaged in "state-sponsored disinformation and propaganda campaigns."

Why it matters: Tumblr, which is owned by Yahoo, is the last of the social media services to comment on how it was used for attempted propaganda.